docs: def ver_cmp(ver1, ver2):
      """
      Compare lago versions
  
      Args:
          ver1(str): version string
          ver2(str): version string
  
      Returns:
          Return negative if ver1<ver2, zero if ver1==ver2, positive if
          ver1>ver2.
      """
  
      return cmp(
          pkg_resources.parse_version(ver1), pkg_resources.parse_version(ver2)
      )